<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
    <style>
      /* 最外面的大盒子 */
      .big {
        width: 1500px;
        height: 200px;
        /* background-color: pink; */
        display: flex;
        box-sizing: border-box;
      }
      /* 每一个小盒子  */
      .box {
        border: 2px solid black;
        border-radius: 20px;
        height: 100px;
        width: 100px;
        margin-right: 35px;
        display: flex;
        padding: 10px;
      }
      /* 小圆点 */
      .dian {
        border-radius: 50%;
        background-color: black;
        width: 20px;
        height: 20px;
      }
      .one {
        justify-content: center;
        align-items: center;
        display: flex;
      }
      .two {
        flex-direction: column;
        align-items: center;
        justify-content: space-between;
      }
      .three {
        justify-content: space-between;
        align-items: center;
        display: flex;
      }
      .three .dian:nth-of-type(1) {
        align-self: flex-start;
      }
      .three .dian:nth-of-type(3) {
        align-self: flex-end;
      }
      .four,
      .five,
      .six,
      .seven,
      .eight,
      .nine {
        /* display: flex; */
        flex-direction: column;
        justify-content: space-between;
      }
      .column {
        display: flex;
        justify-content: space-between;
      }
    </style>
  </head>
  <body>
    <div class="big">
      <div class="box one">
        <div class="dian"></div>
      </div>
      <div class="box two">
        <div class="dian"></div>
        <div class="dian"></div>
      </div>
      <div class="box three">
        <div class="dian"></div>
        <div class="dian"></div>
        <div class="dian"></div>
      </div>
      <div class="box four">
        <div class="column">
          <div class="dian"></div>
          <div class="dian"></div>
        </div>
        <div class="column">
          <div class="dian"></div>
          <div class="dian"></div>
        </div>
      </div>
      <div class="box five">
        <div class="column">
          <div class="dian"></div>
          <div class="dian"></div>
        </div>
        <div class="one">
          <div class="dian"></div>
        </div>
        <div class="column">
          <div class="dian"></div>
          <div class="dian"></div>
        </div>
      </div>
      <div class="box six">
        <div class="column">
          <div class="dian"></div>
          <div class="dian"></div>
          <div class="dian"></div>
        </div>
        <div class="column">
          <div class="dian"></div>
          <div class="dian"></div>
          <div class="dian"></div>
        </div>
      </div>
      <div class="box seven">
        <div class="column">
          <div class="dian"></div>
          <div class="dian"></div>
          <div class="dian"></div>
        </div>
        <div class="one">
          <div class="dian"></div>
        </div>
        <div class="column">
          <div class="dian"></div>
          <div class="dian"></div>
          <div class="dian"></div>
        </div>
      </div>
      <div class="box eight">
        <div class="column">
          <div class="dian"></div>
          <div class="dian"></div>
          <div class="dian"></div>
        </div>
        <div class="column">
          <div class="dian"></div>
          <div class="dian"></div>
        </div>
        <div class="column">
          <div class="dian"></div>
          <div class="dian"></div>
          <div class="dian"></div>
        </div>
      </div>
      <div class="box nine">
        <div class="column">
          <div class="dian"></div>
          <div class="dian"></div>
          <div class="dian"></div>
        </div>
        <div class="column">
          <div class="dian"></div>
          <div class="dian"></div>
          <div class="dian"></div>
        </div>
        <div class="column">
          <div class="dian"></div>
          <div class="dian"></div>
          <div class="dian"></div>
        </div>
      </div>
    </div>
  </body>
</html>
